313611 has 4 divisors (see below), whose sum is σ = 418152. Its totient is φ = 209072.

The previous prime is 313603. The next prime is 313613. The reversal of 313611 is 116313.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 313611 - 2³ = 313603 is a prime.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 313611.

It is not an unprimeable number, because it can be changed into a prime (313613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52266 + ... + 52271.

It is an arithmetic number, because the mean of its divisors is an integer number (104538).

2³¹³⁶¹¹ is an apocalyptic number.

313611 is a deficient number, since it is larger than the sum of its proper divisors (104541).

313611 is a wasteful number, since it uses less digits than its factorization.

313611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104540.

The product of its digits is 54, while the sum is 15.

The square root of 313611 is about 560.0098213424. The cubic root of 313611 is about 67.9407644465.

Adding to 313611 its reverse (116313), we get a palindrome (429924).

The spelling of 313611 in words is "three hundred thirteen thousand, six hundred eleven".